2 files changed, 9 insertions, 7 deletions
diff --git a/src/librustc_error_codes/error_codes/E0571.md b/src/librustc_error_codes/error_codes/E0571.md
index c2a3a8d7588..eadae05aa30 100644
--- a/src/librustc_error_codes/error_codes/E0571.md
+++ b/src/librustc_error_codes/error_codes/E0571.md
@@ -7,7 +7,7 @@ Example of erroneous code:
 # fn satisfied(n: usize) -> bool { n % 23 == 0 }
 let result = while true {
     if satisfied(i) {
-        break 2*i; // error: `break` with value from a `while` loop
+        break 2 * i; // error: `break` with value from a `while` loop
     }
     i += 1;
 };
@@ -22,9 +22,9 @@ Make sure `break value;` statements only occur in `loop` loops:
 ```
 # let mut i = 1;
 # fn satisfied(n: usize) -> bool { n % 23 == 0 }
-let result = loop { // ok!
+let result = loop { // This is now a "loop" loop.
     if satisfied(i) {
-        break 2*i;
+        break 2 * i; // ok!
     }
     i += 1;
 };
diff --git a/src/librustc_error_codes/error_codes/E0579.md b/src/librustc_error_codes/error_codes/E0579.md
index 225e27f0cab..f554242a3d4 100644
--- a/src/librustc_error_codes/error_codes/E0579.md
+++ b/src/librustc_error_codes/error_codes/E0579.md
@@ -1,7 +1,4 @@
-When matching against an exclusive range, the compiler verifies that the range
-is non-empty. Exclusive range patterns include the start point but not the end
-point, so this is equivalent to requiring the start of the range to be less
-than the end of the range.
+A lower range wasn't less than the upper range.
 
 Erroneous code example:
 
@@ -17,3 +14,8 @@ fn main() {
     }
 }
 ```
+
+When matching against an exclusive range, the compiler verifies that the range
+is non-empty. Exclusive range patterns include the start point but not the end
+point, so this is equivalent to requiring the start of the range to be less
+than the end of the range.